Setting Up Client Monitoring with Collectd

You should launch one or two clients. Consider setting descriptive hostnames
hostname collectd-client1

[on clients]
nano /etc/collectd/collectd.conf
uncomment open and close lines
uncomment open and close lines in client setup
add server IP to Server line
systemctl restart collectd
[on servers]
nano /etc/collectd/collectd.conf
uncomment open and close lines
uncomment open and close lines in client setup
add 0.0.0.0 to Listen line
systemctl restart collectd
Notification Resources:
https://collectd.org/wiki/index.php/Notifications_and_thresholds
https://collectd.org/documentation/manpages/collectd.conf.5.shtml#threshold_configuration